When comparing the port management type between the both countries, there are some differences at some aspects. And also Korea is to move forward a hub port and logistics center in Northeast Asia while Japan is to pursue providing the port logistics service necessary for the Japanese economy. Major findings and implications are as follows. first, Port authority system should be extended to Gwangyang and Pyeongtaek port step by step. Second, any port which did not introducing a port authority system should enhance cooperating with its own local administration. Third, a port marketing strategy must be established and implemented by a port authority.